1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
class symbols(dict):
def __init__(self, filename = None):
self.modules = {}
if filename is not None:
self.read(file(filename))
def cmp(self, new):
symbols_ref = set(self.keys())
symbols_new = set(new.keys())
symbols_add = {}
symbols_remove = {}
symbols_change = {}
for symbol in symbols_new - symbols_ref:
symbols_add[symbol] = new[symbol]
for symbol in symbols_ref.intersection(symbols_new):
symbol_ref = self[symbol]
symbol_new = new[symbol]
ent = {'ref': symbol_ref, 'new': symbol_new, 'changes': {}}
for i in ('module', 'version', 'export'):
if symbol_ref[i] != symbol_new[i]:
ent['changes'][i] = {'ref': symbol_ref, 'new': symbol_new}
if ent['changes']:
symbols_change[symbol] = ent
for symbol in symbols_ref - symbols_new:
symbols_remove[symbol] = self[symbol]
return symbols_add, symbols_change, symbols_remove
def read(self, file):
for line in file.readlines():
version, symbol, module, export = line.strip().split()
if self.has_key(symbol):
pass
symbols = self.modules.get(module, set())
symbols.add(symbol)
self.modules[module] = symbols
self[symbol] = {'symbol': symbol, 'module': module, 'version': version, 'export': export}
def write(self, file):
symbols = self.items()
symbols.sort()
for symbol, info in symbols:
file.write("%(version)s %(symbol)s %(module)s %(export)s\n" % info)
|
